var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var login_helper = require('./helper/login_helper')
var routes = require('./routes/index');
var users = require('./routes/users');
var denodeify = require('./helper/denodeify');
var neo = require('./config/neo4j.js')

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// passport
app.use(login_helper.session)
app.use(login_helper.passport.initialize());
app.use(login_helper.passport.session());

app.use('/users', login_helper.isLoggedIn, users);
app.post('/login', login_helper.passport.authenticate('local', {successRedirect: '/users', failureRedirect: '/users'}))
app.post('/signup', async (req, res, next)=>{
  try{
    let create_res = await denodeify(neo.createUser)(req.body.username, req.body.password);
    res.redirect('/')
  }catch(err){
    res.send(err)
  }
})
app.use('/', routes);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
